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75/100 + 3/4 x 29 + 75% x 30 + 0,75 x 40
= 0,75 + 0,75 x 29 + 0,75 x30 + 0,75 x 40
= 0,75 x ( 1 + 29 + 30 + 40 )
= 0,75 x 100
=75
\(\frac{75}{100}+\frac{3}{4}\times29+75\%\times30+0,75\times40\)
\(=\frac{75}{100}\times1+\frac{3\times25}{4\times25}\times29+\frac{75}{100}\times30+\frac{0,75}{1}\times40\)
\(=\frac{75}{100}\times1+\frac{75}{100}\times29+\frac{75}{100}\times30+\frac{0,75\times100}{1\times100}\times40\)
\(=\frac{75}{100}\times1+\frac{75}{100}\times29+\frac{75}{100}\times30+\frac{75}{100}\times40\)
\(=\frac{75}{100}\left(1+29+30+40\right)\)
\(=\frac{75}{100}\times100\)
\(=\frac{75}{100}\times\frac{100}{1}\)
\(=\frac{75}{1}\)
\(=75\)
\(=\frac{75\times100}{100\times1}\)
\(\frac{75}{100}+\frac{3}{4}\times29+75\%\times30+0,75\times40\)
\(=0,75+0,75\times29+\frac{75}{100}\times30+0,75\times40\)
\(=0,75\times1+0,75\times29+0,75\times30+0,75\times40\)
\(=0,75\times\left(1+29+30+40\right)\)
\(=0,75\times100\)
\(=75\)
\(=25\%+25\%\times38+25\%\times50+25\%\times11\)
\(=25\%\times\left(1+38+50+11\right)=25\%\times100=25\)
\(\dfrac{3}{4}+0,75+\dfrac{75}{100}\)
=\(0,75+0,75+0,75\)
=\(0,75\)x\(3\)
=\(2,25\)
( 1- \(\frac{1}{2}\))x( 1- \(\frac{1}{3}\))x( 1- \(\frac{1}{4}\))x( 1- \(\frac{1}{5}\))x( 1- \(\frac{1}{6}\)).
= \(\frac{1}{2}\)x \(\frac{2}{3}\)x \(\frac{3}{4}\)x \(\frac{4}{5}\)x \(\frac{5}{6}\).
= \(\frac{1\times2\times3\times4\times5}{2\times3\times4\times5\times6}\).
= \(\frac{1}{6}\).
=3/4.0,25+3/4.1,25-3/4.0,5
=3/4.(0,25+1,25-0,5)
=3/4.10
=15/2
35 x 3/4 + 45,5 x 75/100 + 20,5 x 75% - 0,75
= 35 x 0,75 + 45,5 x 0,75 + 20,5 x 0,75 - 0,75 x 1
= ( 35 + 45,5 + 20,5 - 1 ) x 0,75
= 100 x 0,75
= 75
75/100+75%.2+3/4.3+0.75.4
=3/4+3/4.2+3/4.3+3/4.4
=3/4.(1+2+3+4)
=3/4.10
=15/2
=75/100+75/100x2+75/100x3 +75/100 x4
=75/100x(1+2+3+4)
= 75/100x10
=15/2
hok tot